7-Chloro-2-thioxo-2,3-dihydro-4H-pyrido[1,2-a][1,3,5]triazin-4-one CAS 306979-08-8
| CAS No. | 306979-08-8 |
| Molecular Formula | C7H4ClN3OS |
| Molecular Weight | 213.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C7H4ClN3OS, 7-Chloro-2-thioxo-2,3-dihydro-4H-pyrido[1,2-a][1,3,5]triazin-4-one contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 213.64 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
7-Chloro-2-thioxo-2,3-dihydro-4H-pyrido[1,2-a][1,3,5]triazin-4-one (CAS 306979-08-8), molecular formula C7H4ClN3OS and molecular weight 213.64 g/mol, is a CATO reference standard with documented purity and traceability.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 7-Chloro-2-thioxo-2,3-dihydro-4H-pyrido[1,2-a][1,3,5]triazin-4-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C7H4ClN3OS |
| Molecular Weight | 213.64 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 6-Chlorothieno[3,2-c]pyridine-2-carboxylic acid (CAS 2095607-18-2)
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- 6-Chlorobenzo[d]thiazole-2-carboxylic acid (CAS 3622-03-5)
- 7-Chlorobenzo[d]isothiazole-3-carboxylic acid (CAS 50789-17-8)
- 1-((2R,5S)-1,5-Dimethylpyrrolidin-2-yl)propan-2-ol (CAS 709031-77-6)
- Furamidine DiHCl (CAS 55368-40-6)
- 3-((1-Methylpiperidin-4-yl)oxy)propanoic acid (CAS 1340250-98-7)
- [4-(4-Methoxybenzoyl)piperidin-1-yl]acetic acid (CAS 1419957-49-5)
- 2-(2-Bromophenyl)-N,N-dimethylacetamide (CAS 76016-35-8)
- 2-[(1-phenylethyl)amino]-4-(trifluoromethyl)-1,3-thiazole-5-carboxylic acid (CAS 886503-01-1)
- (S)-2-(3-(Furan-2-yl)acrylamido)-4-(methylthio)butanoic acid (CAS 261179-09-3)
- 3-((tert-Butoxycarbonyl)(methyl)amino)-3-methylbutanoic acid (CAS 2248319-11-9)
- Anthracene-2,3-diol (CAS 64817-81-8)
- semaglutide (CAS 782487-28-9)
Why CATO?
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